Energy Suspension Hyper-Flex systems are the undisputed industry leader in replacement automotive bushing sets. Engineered from performance polyurethane, Hyper-Flex systems contain the proper components to replace the stock rubber bushings on your vehicle. In addition to adding visual flair to your vehicle, they are also capable of handling a greater range of movement, especially on lowered or raised vehicles with modified suspensions. The extended life bushings in turn extend your vehicle's life since they minimize harsh movement and jolting to your vehicles key components.